﻿using System;
using System.Reflection;
using System.Globalization;
using Microsoft.CSharp;
using System.CodeDom;
using System.CodeDom.Compiler;

namespace CSscriptMachin
{
    public class Factory
    {
       public static void LoadAndDowith(string[] args)
        {
            // 定义需要动态执行的 C# 代码字符串，当然也可从文本文件中读取。
            //      string code = @"
            //  using System;
            //  namespace MyNamespace
            //  {
            //    public class MyClass
            //    {
            //      private string name;

            //      public MyClass(string name)
            //      {
            //        this.name = name;
            //      }

            //      public void Test()
            //      {
            //        Console.WriteLine(""{0} - {1}"", name, DateTime.Now);
            //      }
            //    }
            //  }
            //";
            string code = args[0];

            // 创建编译器对象
            
            CSharpCodeProvider p = new CSharpCodeProvider();
            ICodeCompiler cc = p.CreateCompiler();

            //CodeDomProvider provider = CodeDomProvider.CreateProvider("C#");
            //CodeCompileUnit[] ccus = new CodeCompileUnit[1];
            //ccus[0] = codeCompileUnit;
            //CompilerResults results = provider.CompileAssemblyFromDom(options, ccus);

            // 设置编译参数
            CompilerParameters options = new CompilerParameters();
            options.ReferencedAssemblies.Add("System.dll");
            options.GenerateInMemory = true;
            options.OutputAssembly = "MyTest";

            // 开始编译
            CodeSnippetCompileUnit cu = new CodeSnippetCompileUnit(code);
            CompilerResults cr = cc.CompileAssemblyFromDom(options, cu);

            // 执行动态程序集相关内容。
            Type t = cr.CompiledAssembly.GetType("MyNamespace.MyClass");
            object o = cr.CompiledAssembly.CreateInstance("MyNamespace.MyClass", false, BindingFlags.Default,
              null, new object[] { "Tom" }, CultureInfo.CurrentCulture, null);
            t.InvokeMember("Test", BindingFlags.Instance | BindingFlags.Public | BindingFlags.InvokeMethod,
              null, o, null);

        }
    }
}